Invertebrates Day 2

What are Platyhelminthes also known as?

• Roundworms

• Flatworms

• Segmented worms

• Earthworms

What type of body shape do Platyhelminthes have?

• Thick and round

• Thin and ribbon-like

• Segmented with rings

• Spherical

What type of body structure do nematodes have?

• Segmented and ringed

• Elongated and unsegmented

• Spherical and rigid

• Flattened and porous

Where can roundworms, a type of nematode, be found?

• Only in water

• Only on land

• Both in water and on land

• Only in humans

Which of the following is an example of a nematode?

• Fluke

• Pinworm

• Leech

• Earthworm

What distinguishes annelids from other worms?

• Segmented body with rings

• Unsegmented, flat body

• Spherical body with a hard shell

• None of the above

Which of the following habitats do annelids mostly occupy?

• Only water environments

• Mostly deserts

• Almost everywhere

• Only in humans

Which of the following is an example of an annelid?

• Fluke

• Hookworm

• Earthworm

• Pinworm

Which worm group includes species that are both in water and on land?

• Platyhelminthes

• Nematodes

• Annelids

• None of the above

Which worm group is known for its ringed appearance?

• Platyhelminthes

• Nematodes

• Annelids

• Cnidarians